Merge pull request #1220 from van51/develop

Changes in StreamingFileFromStringFeatures to make it work
add swig interfaces for GPC and update ignore list for c# modular
Merge pull request #1222 from votjakovr/develop

add swig interfaces for GPC and update ignore list for c# modular
fix bug in CLogitLikelihood class
Merge pull request #1223 from votjakovr/develop

fix bug in CLogitLikelihood class
Streaming Hashed Doc Features